package com.eternalrights.service.impl;

import com.eternalrights.mapper.EmpMapper;
import com.eternalrights.mapper.StudentMapper;
import com.eternalrights.pojo.ClassOption;
import com.eternalrights.pojo.JobOption;
import com.eternalrights.service.ReportService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;

@Service
public class ReportServiceImpl implements ReportService {
    @Autowired
    private EmpMapper empMapper;

    @Autowired
    private StudentMapper studentMapper;


    @Override
    public JobOption getEmpJobData(){
        List<Map<String,Object>> list = empMapper.countEmpJobData();

        List<Object> jobList = list.stream().map(dataMap->dataMap.get("pos")).toList();
        List<Object> dataList = list.stream().map(dataMap->dataMap.get("num")).toList();

        return new JobOption(jobList,dataList);
    }

    @Override
    public List<Map<String,Object>> getEmpGenderData(){
        return empMapper.countEmpGenderData();
    }

    @Override
    public ClassOption getStudentCountData() {
        List<Map<String,Object>> list = studentMapper.getStudentCountData();

        List<Object> clazzList = list.stream().map(dataMap->dataMap.get("pos")).toList();
        List<Object> dataList = list.stream().map(dataMap->dataMap.get("num")).toList();

        return new ClassOption(clazzList,dataList);
    }

    @Override
    public List<Map<String, Object>> getStudentDegreeData() {
        return studentMapper.getStudentDegreeData();
    }
}
